Jensen Transformers Iso-Max VB-1BB Single-Channel Composite Video Isolator (BNC In/Out)

Jensen Transformers Iso-Max VB-1BB Single-Channel Composite Video Isolator (BNC In/Out)

Jensen Transformers Iso-Max VB-1BB Single-Channel Composite Video Isolator (BNC In/Out)

B&H # JEVB1BB MFR # VB-1BB
Jensen Transformers Iso-Max VB-1BB Single-Channel Composite Video Isolator (BNC In/Out)

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Expected availability: 7-14 business days

Product Highlights

  • Single-Channel, Composite Video Isolator
  • Eliminates Hum Bars from Ground Loops
  • No Deterioration of Picture Quality
  • 75-Ohm BNC Connectors
  • Custom-Wound Jensen Transformer
  • 120 dB Ground Isolation
  • Precise Impedance Matching
  • Linear Bandwidth from 10 Hz to 10 MHz
  • Passive Design Requires No Power
  • Rugged Steel Enclosure
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Connectors: BNC In/BNC Out

BNC In/BNC Out RCA In/RCA Out

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Jensen Transformers VB-1BB overview

  • 1Description

The single-channel Jensen Transformers Iso-Max VB-1BB is a passive, 75-Ohm isolator for composite (baseband) video, which prevents and eliminates hum bars caused by 60-cycle ground loops. It ensures that the video signal is faithfully delivered without noise, contamination, or artifact, even where ground voltage differences are very large such as in surveillance video systems, night clubs, video walls, broadcast stations, or industrial plants.

The VB-1BB combines 75-Ohm BNC connectors with a custom-wound Jensen transformer. This precise impedance-matched circuitry ensures minimal reflection while providing an exceptionally linear bandwidth from 10 Hz to 10 MHz, with 120 dB of ground noise attenuation.

Easy to set up with no power required, the Iso-Max VB-1BB is housed in a rugged steel enclosure fitted with screw-down flanges for easy installation in 19" racks, inside a NEMA enclosure, under shelves, or for attaching to cabinetry.

Single-channel, 75-Ohm composite video passive isolator—eliminates hum bars caused by 60-cycle ground loops
No deterioration of picture quality
Precise impedance matching ensures minimal reflection—combines 75-Ohms BNC connectors with a custom-wound Jensen transformer
Linear bandwidth from 10 Hz to 10 MHz, with virtually zero insertion loss
High ground isolation: 120 dB CMMR typical at 60 Hz
Rugged, electrically isolated steel enclosure fitted with screw-down flanges—for easy installation in racks, inside a NEMA enclosure, under shelves, or for attaching to cabinetry
Plug-and-play, easy to use, no power required
UPC: 676101041459
In the Box
Jensen Transformers Iso-Max VB-1BB Single-Channel Composite Video Isolator (BNC In/Out)
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Jensen Transformers VB-1BB specs

    Type Passive isolator, 75 Ohms
    Channels Single
    Connectors Input: 1 x BNC
    Output: 1 x BNC

    For use with standard RG59 coaxial cable
    Insertion Loss 10 kHz, test circuit 1
    Minimum: -0.50 dB
    Typical: -0.72 dB
    Maximum: -1.00 dB
    Differential Gain Typical: <0.02%
    Maximum: 0.05%
    (At 3.58 MHz, FCC/NTC-7 composite, Tektronix VM700A test set, pk-pk)
    Differential Phase Typical: < 0.02°
    Maximum: 0.05°
    (At 3.58 MHz, FCC/NTC-7 composite, Tektronix VM700A test set, pk-pk)
    Luminance Non-Linearity Typical: <0.01%
    Maximum: 0.02%
    (FCC/NTC-7 composite, Tektronix VM700A test set, pk-pk)
    Bandwidth LF -3 dB re 10 kHz, test circuit 1
    Typical: 10 Hz
    Maximum: 12 Hz

    HF -3 dB re 10 kHz, test circuit 1
    Minimum: 15 MHz
    Typical: 20 MHz
    Input VSWR 1 kHz to 8 MHz, HP 3577A Analyzer & 35676A R/T test kit
    Typical: 1.20
    Maximum: 1.30

    3.58 MHz, HP 3577A Analyzer & 35676A R/T test kit
    Typical: 1.10
    Maximum: 1.20
    Common-Mode Rejection Ratio 60 Hz, test circuit 2
    Minimum: 100 dB
    Typical: 120 dB
    DC Bias Allowable at input
    Minimum: -1 V
    Typical: ±0
    Maximum: +16 V
    (None allowed at output, which has 2.6 Ohms DC resistance)
    Capacitance Input to output, 1 kHz
    Typical: 1.94 nF

    Input or output to case, 1 kHz
    Typical: 35 pF
    Temperature Range 32 to 158°F / 0 to 70°C
    (Operation or storage)
    Voltage Difference Minimum: 24 V RMS, 34 V peak
    (Input to output shield or either shield to chassis, 60 Hz)
    Dimension (L x W x H) 3.45 x 1.70 x 3.45" / 87.6 x 43.2 x 87.6 mm
    Packaging Info
    Package Weight 0.65 lb
    Box Dimensions (LxWxH) 4.8 x 3.4 x 2.4"

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